How many occurrences are there for the interval 60 69 How many occurrences fall below the upper real limit of the interval 70 79 What percentage of cases fall within the class interval containing the most cases What is the cumulative percentage below the lower real limit of the interval 90 99 What is the value of i Table 1 Grouped frequency distribution of scores in psychological statistics Class Interval F Cum f Cum Relative 90 99 2 139 100 00 1 44 80 89 7 137 98 56 5 04 70 79 15 130 93 53 10 79 60 69 21 115 82 73 15 11 50 50 37 94 67 63 26 62 40 49 26 57 41 01 18 71 30 39 19 31 22 30 13 67 20 29 6 12 8 63 4 32 10 19 4 6 4 32 2 88 0 9 N N 1 44 1 44

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Question: How many occurrences are there for the interval 60-69? How many occurrences fall below the upper real limit of the interval 70-79? What percentage of

How many occurrences are there for the interval 60-69?
How many occurrences fall below the upper real limit of the interval 70-79?
What percentage of cases fall within the class interval containing the most cases?
What is the cumulative percentage below the lower real limit of the interval 90-99?
What is the value ofi?

Table 1 Grouped frequency distribution of scores in psychological statistics Class Interval F Cum f Cum % Relative % 90-99 2 139 100.00 1.44 80-89 7 137 98.56 5.04 70-79 15 130 93.53 10.79 60-69 21 115 82.73 15.11 50-50 37 94 67.63 26.62 40-49 26 57 41.01 18.71 30-39 19 31 22.30 13.67 20-29 6 12 8.63 4.32 10-19 4 6 4.32 2.88 0-9 N N 1.44 1.44

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